Auxiliary Crane Ships . T-ACS-1 to T-ACS-10

Named for Pennsylvania's nickname, the Keystone State. Lead ship of the class, converted from a container ship and fitted with twin 30-ton cranes for offshore cargo transfer. Maintained in the Ready Reserve Force for rapid deployment during military sealift operations.

Named for Idaho's nickname, the Gem State. Converted container ship fitted with twin 30-ton cranes capable of transferring cargo at sea or in austere ports without shore-based heavy lift equipment. Ready Reserve Force asset.

Named for Arizona's nickname, the Grand Canyon State. Converted for military sealift with twin heavy-lift cranes, enabling cargo operations in ports lacking modern infrastructure. Part of the Ready Reserve Force for rapid activation.

Named for Minnesota's nickname, the Gopher State. Converted container ship equipped with twin 30-ton cranes for military sealift operations. Maintained at reduced operating status for rapid activation in support of military logistics.

Named for North Dakota's nickname, the Flickertail State, after the Richardson's ground squirrel found across the prairie. Fitted with twin heavy-lift cranes for military sealift cargo operations. Ready Reserve Force vessel.

Named for Nebraska's nickname, the Cornhusker State. Converted container ship with twin 30-ton cranes enabling self-sustaining cargo operations in undeveloped or damaged port facilities worldwide.

Named for Delaware's nickname, the Diamond State, so called by Thomas Jefferson for its strategic position. Fitted with twin heavy-lift cranes for military sealift. Maintained in Ready Reserve for rapid activation.

Named for Wyoming's nickname, the Equality State, the first state to grant women the right to vote. Converted container ship with twin 30-ton cranes for military sealift logistics operations.

Named for Vermont's nickname, the Green Mountain State — Vermont itself derives from the French 'vert mont.' Converted container ship with twin heavy-lift cranes for military cargo operations in austere environments.

Named for Oregon's nickname, the Beaver State, honoring the animal central to the Pacific Northwest fur trade. Last of the auxiliary crane ships, converted with twin 30-ton cranes for Ready Reserve Force sealift duty.